./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/dijkstra-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d26b4d3d-9986-4d7e-8264-3111d4d99774/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d26b4d3d-9986-4d7e-8264-3111d4d99774/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d26b4d3d-9986-4d7e-8264-3111d4d99774/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d26b4d3d-9986-4d7e-8264-3111d4d99774/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/dijkstra-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d26b4d3d-9986-4d7e-8264-3111d4d99774/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d26b4d3d-9986-4d7e-8264-3111d4d99774/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b586a178399b4c0df2fdcb66faa06566663e0a18b90a5f0ce0551810014ff769 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:06:41,138 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:06:41,232 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d26b4d3d-9986-4d7e-8264-3111d4d99774/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:06:41,239 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:06:41,240 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:06:41,284 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:06:41,285 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:06:41,285 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:06:41,286 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:06:41,286 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:06:41,287 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:06:41,287 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:06:41,287 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:06:41,288 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:06:41,288 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:06:41,289 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:06:41,289 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:06:41,289 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:06:41,290 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:06:41,290 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:06:41,291 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:06:41,291 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:06:41,292 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:06:41,292 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:06:41,292 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:06:41,293 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:06:41,293 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:06:41,294 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:06:41,294 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:06:41,294 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:06:41,295 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:06:41,295 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:06:41,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:06:41,296 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d26b4d3d-9986-4d7e-8264-3111d4d99774/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d26b4d3d-9986-4d7e-8264-3111d4d99774/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b586a178399b4c0df2fdcb66faa06566663e0a18b90a5f0ce0551810014ff769 [2024-11-09 00:06:41,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:06:41,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:06:41,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:06:41,628 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:06:41,629 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:06:41,631 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d26b4d3d-9986-4d7e-8264-3111d4d99774/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench/dijkstra-u.c Unable to find full path for "g++" [2024-11-09 00:06:43,971 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:06:44,208 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:06:44,209 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d26b4d3d-9986-4d7e-8264-3111d4d99774/sv-benchmarks/c/nla-digbench/dijkstra-u.c [2024-11-09 00:06:44,219 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d26b4d3d-9986-4d7e-8264-3111d4d99774/bin/ukojak-verify-ImItNfHLgk/data/7061320c6/319d151fc30e4c26a8a6bf50fd7bb933/FLAGaf116cdce [2024-11-09 00:06:44,238 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d26b4d3d-9986-4d7e-8264-3111d4d99774/bin/ukojak-verify-ImItNfHLgk/data/7061320c6/319d151fc30e4c26a8a6bf50fd7bb933 [2024-11-09 00:06:44,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:06:44,245 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:06:44,247 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:06:44,247 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:06:44,256 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:06:44,261 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:06:44" (1/1) ... [2024-11-09 00:06:44,262 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d6fe20d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:44, skipping insertion in model container [2024-11-09 00:06:44,263 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:06:44" (1/1) ... [2024-11-09 00:06:44,291 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:06:44,487 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d26b4d3d-9986-4d7e-8264-3111d4d99774/sv-benchmarks/c/nla-digbench/dijkstra-u.c[525,538] [2024-11-09 00:06:44,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:06:44,539 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:06:44,551 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d26b4d3d-9986-4d7e-8264-3111d4d99774/sv-benchmarks/c/nla-digbench/dijkstra-u.c[525,538] [2024-11-09 00:06:44,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:06:44,597 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:06:44,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:44 WrapperNode [2024-11-09 00:06:44,598 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:06:44,599 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:06:44,599 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:06:44,600 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:06:44,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:44" (1/1) ... [2024-11-09 00:06:44,623 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:44" (1/1) ... [2024-11-09 00:06:44,663 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53 [2024-11-09 00:06:44,664 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:06:44,665 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:06:44,665 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:06:44,665 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:06:44,677 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:44" (1/1) ... [2024-11-09 00:06:44,678 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:44" (1/1) ... [2024-11-09 00:06:44,679 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:44" (1/1) ... [2024-11-09 00:06:44,680 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:44" (1/1) ... [2024-11-09 00:06:44,684 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:44" (1/1) ... [2024-11-09 00:06:44,688 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:44" (1/1) ... [2024-11-09 00:06:44,689 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:44" (1/1) ... [2024-11-09 00:06:44,691 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:44" (1/1) ... [2024-11-09 00:06:44,693 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:06:44,694 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:06:44,694 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:06:44,695 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:06:44,696 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:44" (1/1) ... [2024-11-09 00:06:44,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:06:44,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d26b4d3d-9986-4d7e-8264-3111d4d99774/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:06:44,738 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d26b4d3d-9986-4d7e-8264-3111d4d99774/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:06:44,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d26b4d3d-9986-4d7e-8264-3111d4d99774/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:06:44,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:06:44,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:06:44,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:06:44,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:06:44,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 00:06:44,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 00:06:44,854 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:06:44,856 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:06:45,120 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-09 00:06:45,120 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:06:45,200 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:06:45,201 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 00:06:45,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:06:45 BoogieIcfgContainer [2024-11-09 00:06:45,203 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:06:45,204 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:06:45,205 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:06:45,218 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:06:45,219 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:06:45" (1/1) ... [2024-11-09 00:06:45,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:06:45,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:45,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2024-11-09 00:06:45,319 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2024-11-09 00:06:45,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:06:45,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:45,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:06:45,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:45,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:06:45,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:45,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-11-09 00:06:45,610 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-11-09 00:06:45,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:06:45,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:45,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:06:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:46,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:06:46,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:46,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 28 states and 50 transitions. [2024-11-09 00:06:46,945 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 50 transitions. [2024-11-09 00:06:46,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 00:06:46,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:46,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:06:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:47,346 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 00:06:47,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:47,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2024-11-09 00:06:47,766 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2024-11-09 00:06:47,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:06:47,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:47,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:06:47,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:06:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:47,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 00:06:47,854 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:06:48,085 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:06:48,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:48,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 35 states and 62 transitions. [2024-11-09 00:06:48,778 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 62 transitions. [2024-11-09 00:06:48,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 00:06:48,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:48,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:06:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:06:48,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:48,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:06:48,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:06:49,061 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:06:49,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:49,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 40 states and 72 transitions. [2024-11-09 00:06:49,880 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 72 transitions. [2024-11-09 00:06:49,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 00:06:49,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:49,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:06:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:06:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:49,964 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 00:06:49,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:06:50,583 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:06:53,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:06:54,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:54,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 44 states and 82 transitions. [2024-11-09 00:06:54,185 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 82 transitions. [2024-11-09 00:06:54,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:06:54,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:54,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:06:54,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:06:54,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:54,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 00:06:54,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:06:54,433 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 00:06:56,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:56,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 47 states and 91 transitions. [2024-11-09 00:06:56,950 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 91 transitions. [2024-11-09 00:06:56,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:06:56,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:56,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:06:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:06:57,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:57,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:06:57,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:06:57,081 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 00:07:09,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:07:09,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:09,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 51 states and 99 transitions. [2024-11-09 00:07:09,606 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 99 transitions. [2024-11-09 00:07:09,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:07:09,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:09,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:07:09,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:07:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:09,689 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 00:07:09,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:07:09,799 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:07:11,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:11,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 51 states and 98 transitions. [2024-11-09 00:07:11,567 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 98 transitions. [2024-11-09 00:07:11,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:07:11,568 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:11,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:07:11,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:07:11,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:11,636 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 00:07:11,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:07:11,821 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 00:07:13,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:13,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 53 states and 102 transitions. [2024-11-09 00:07:13,450 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 102 transitions. [2024-11-09 00:07:13,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 00:07:13,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:13,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:07:13,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:07:13,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:13,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 00:07:13,503 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:07:13,579 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-09 00:07:15,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:15,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 56 states and 108 transitions. [2024-11-09 00:07:15,557 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 108 transitions. [2024-11-09 00:07:15,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:07:15,559 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:15,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:07:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:07:15,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:15,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 00:07:15,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:07:15,971 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 00:07:17,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:17,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 58 states and 112 transitions. [2024-11-09 00:07:17,767 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 112 transitions. [2024-11-09 00:07:17,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 00:07:17,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:17,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:07:17,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:07:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:17,823 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 00:07:17,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:07:17,927 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 00:07:19,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:19,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 58 states and 111 transitions. [2024-11-09 00:07:19,296 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 111 transitions. [2024-11-09 00:07:19,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 00:07:19,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:19,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:07:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:07:19,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:19,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:07:19,374 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:07:19,462 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 00:07:19,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:19,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 59 states and 114 transitions. [2024-11-09 00:07:19,526 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 114 transitions. [2024-11-09 00:07:19,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 00:07:19,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:19,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:07:19,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:23,156 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 00:07:35,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:07:35,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:35,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 61 states and 118 transitions. [2024-11-09 00:07:35,505 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 118 transitions. [2024-11-09 00:07:35,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 00:07:35,507 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:35,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:07:35,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:07:35,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:35,582 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:07:35,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:07:35,699 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-09 00:07:49,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:07:49,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:49,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 64 states and 128 transitions. [2024-11-09 00:07:49,362 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-09 00:07:49,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 00:07:49,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:49,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:07:49,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:50,312 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 00:08:35,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:08:44,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.28s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:08:58,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:08:58,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:58,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 67 states and 135 transitions. [2024-11-09 00:08:58,597 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 135 transitions. [2024-11-09 00:08:58,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 00:08:58,598 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:58,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:08:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:29,309 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 00:10:35,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.84s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:10:48,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:11:45,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:45,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 74 states and 143 transitions. [2024-11-09 00:11:45,453 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 143 transitions. [2024-11-09 00:11:45,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 00:11:45,455 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:45,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:11:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:11:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:45,533 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 00:11:45,535 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:11:45,667 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 00:13:01,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:13:09,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:09,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 79 states and 154 transitions. [2024-11-09 00:13:09,135 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 154 transitions. [2024-11-09 00:13:09,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 00:13:09,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:09,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:13:09,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:22,278 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 00:14:48,411 WARN L286 SmtUtils]: Spent 1.02m on a formula simplification. DAG size of input: 68 DAG size of output: 59 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:15:34,553 WARN L286 SmtUtils]: Spent 30.42s on a formula simplification that was a NOOP. DAG size: 60 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:16:54,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:16:54,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:54,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 89 states and 172 transitions. [2024-11-09 00:16:54,345 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 172 transitions. [2024-11-09 00:16:54,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-09 00:16:54,346 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:54,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:16:54,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:16:54,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:54,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-09 00:16:54,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:14,981 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 41 proven. 14 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 00:17:41,285 WARN L286 SmtUtils]: Spent 13.01s on a formula simplification. DAG size of input: 58 DAG size of output: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:18:24,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:18:26,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:18:43,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:43,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 95 states and 184 transitions. [2024-11-09 00:18:43,976 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 184 transitions. [2024-11-09 00:18:43,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 00:18:43,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:43,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:18:44,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:58,457 WARN L286 SmtUtils]: Spent 5.16s on a formula simplification. DAG size of input: 17 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 00:19:12,405 WARN L286 SmtUtils]: Spent 10.27s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 00:19:15,204 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 12 proven. 14 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 00:20:10,542 WARN L286 SmtUtils]: Spent 28.16s on a formula simplification. DAG size of input: 68 DAG size of output: 64 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:20:59,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.86s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:21:09,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []